CVE-2011-4461

Publication date 29 December 2011

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.3 · Medium

Score breakdown

Description

Jetty 8.1.0.RC2 and earlier computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.

Read the notes from the security team

Status

Package Ubuntu Release Status
jetty 14.04 LTS trusty
Not affected
13.10 saucy Ignored end of life
13.04 raring Ignored end of life
12.10 quantal Ignored end of life
12.04 LTS precise
Fixed 6.1.24-6ubuntu0.12.04.1
11.10 oneiric Ignored end of life
11.04 natty
Fixed 6.1.24-6ubuntu0.11.04.1
10.10 maverick Ignored end of life
10.04 LTS lucid
Fixed 6.1.22-1ubuntu1.1
8.04 LTS hardy
Not affected

Notes

mdeslaur

in main in lucid, maverick, natty only

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
jetty

Severity score breakdown

Parameter Value
Base score 5.3 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

Related Ubuntu Security Notices (USN)

Other references